Comparison between:
- 23.6" AOC U2477PWQ
- 23.6" BenQ BL2420U
- 23.8" Acer CB241HYK
- 21.5" Asus PQ22UC
Brand, series, model
Information about the brand, series, model and model aliases.
| AOC U2477PWQ | BenQ BL2420U | Acer CB241HYK | Asus PQ22UC | |
| Series | - | - | - | ProArt |
 |  |  |  | |
| Model alias | - | - | CB241HYKbmjdprx | - |
| Model year | 2015 | 2014 | 2016 | 2019 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 23.6 in | 23.6 in | 23.8 in | 21.5 in |
| Diagonal | 599 mm 59.9 cm 23.5827 in 1.9652 ft | 599 mm 59.9 cm 23.5827 in 1.9652 ft | 604.7 mm 60.47 cm 23.8071 in 1.9839 ft | 546.1 mm 54.61 cm 21.5 in 1.7917 ft |
| Width | 521.28 mm 52.128 cm 20.5228 in 1.7102 ft | 521.28 mm 52.128 cm 20.5228 in 1.7102 ft | 527.04 mm 52.704 cm 20.7496 in 1.7291 ft | 478.08 mm 47.808 cm 18.822 in 1.5685 ft |
| Height | 293.22 mm 29.322 cm 11.5441 in 0.962 ft | 293.22 mm 29.322 cm 11.5441 in 0.962 ft | 296.46 mm 29.646 cm 11.6717 in 0.9726 ft | 268.92 mm 26.892 cm 10.5874 in 0.8823 ft |
| Panel manufacturer | Samsung | - | - | - |
| Panel model | LTM236FL01 | - | - | - |
| Panel type | PLS | PLS | IPS | OLED |
| Panel bit depth | 8 bits | 8 bits | 10 bits (8 bits + FRC) | 10 bits |
| FRC | No | No | Yes | No |
| LUT | - | - | - | 14 bits |
| Colors | 16777216 colors 24 bits | 16777216 colors 24 bits | 1073741824 colors 30 bits | 1073741824 colors 30 bits |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p | 3840 x 2160 pixels Ultra HD (UHD) / 4K / 2160p |
| Pixel pitch | 0.136 mm 0.0136 cm 0.0053 in 0.0004 ft | 0.136 mm 0.0136 cm 0.0053 in 0.0004 ft | 0.137 mm 0.0137 cm 0.0054 in 0.0005 ft | 0.125 mm 0.0125 cm 0.0049 in 0.0004 ft |
| Pixel density | 187 ppi 73 ppcm | 187 ppi 73 ppcm | 185 ppi 72 ppcm | 204 ppi 80 ppcm |
| Display area | - | 80.06 % | - | 80.17 % |
| Backlight | W-LED | W-LED | W-LED | - |
| sRGB | 100 % | 100 % | 100 % | 100 % |
| Adobe RGB (1998) | - | 77 % | - | 99.5 % |
| NTSC (1953) | 72 % | 75 % | - | - |
| DCI P3 | - | - | - | 99 % |
| Brightness | 300 cd/m² | 300 cd/m² | 300 cd/m² | 140 cd/m² |
| Peak brightness | - | - | - | 335 cd/m² |
| Static contrast | 1000 : 1 | 1000 : 1 | 1000 : 1 | 10000000 : 1 |
| Dynamic contrast | 50000000 : 1 | 20000000 : 1 | 100000000 : 1 | - |
| HDR | - | - | - | HDR10 HLG (Hybrid Log Gamma) |
| Horizontal viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Vertical viewing angle | 178 ° | 178 ° | 178 ° | 178 ° |
| Minimum response time | 4 ms 0.0040 s | 7 ms 0.0070 s | 4 ms 0.0040 s | 0.1 ms 0.0001 s |
| Average response time | - | 14 ms 0.0140 s | - | - |
| Maximum response time | 14 ms 0.0140 s | - | - | - |
| Input lag | 5 ms 0.0050 s | 10 ms 0.0100 s | - | - |
| Coating | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) | Anti-glare/Matte (3H) |
3D
3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.
| 3D | No | No | No | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | 30 kHz - 160 kHz | 30 kHz - 140 kHz | 30 kHz - 160 kHz | 27 kHz - 134 kHz |
| Vertical frequency (digital) | 23 Hz - 80 Hz | 24 Hz - 76 Hz | 23 Hz - 80 Hz | 24 Hz - 60 Hz |
| - | DisplayPort; HDMI 2.0 - 30 kHz - 140 kHz; 24 Hz - 76 Hz DVI-D; HDMI 1.4 - 30 kHz - 90 kHz; 24 Hz - 76 Hz | - | - |
Power supply and consumption
Information about the power supply and consumption, energy efficiency class, etc.
| 110V | 100 V - 120 V | 100 V - 120 V | 100 V - 120 V | 100 V - 120 V |
| 220V | 220 V - 240 V | 220 V - 240 V | 220 V - 240 V | 220 V - 240 V |
| Alternating current frequency | 50 Hz - 60 Hz | 50 Hz - 60 Hz | 50 Hz - 60 Hz | 50 Hz - 60 Hz |
| Power consumption (off) | 0.3 W | 0.5 W | 0.13 W | 0.35 W |
| Power consumption (sleep) | 0.5 W | 0.5 W | 0.23 W | 0.8 W |
| Power consumption (eco) | - | 20 W | 25 W | - |
| Power consumption (average) | 34 W | 26 W | 60 W | 38 W |
| Power consumption (maximum) | - | 58 W | - | - |
| Energy efficiency class | - | - | C | - |
Dimensions, weight and color
Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.
| Width | - | 563.2 mm 56.32 cm 22.1732 in 1.8478 ft | - | 510.9 mm 51.09 cm 20.1142 in 1.6762 ft |
| Height | - | 339 mm 33.9 cm 13.3465 in 1.1122 ft | - | 313.9 mm 31.39 cm 12.3583 in 1.0299 ft |
| Depth | - | 72 mm 7.2 cm 2.8346 in 0.2362 ft | - | 8.5 mm 0.85 cm 0.3346 in 0.0279 ft |
| Weight | - | - | - | 1.5 kg 3.31 lbs |
| Width with stand | 555 mm 55.5 cm 21.8504 in 1.8209 ft | 563.2 mm 56.32 cm 22.1732 in 1.8478 ft | 557 mm 55.7 cm 21.9291 in 1.8274 ft | 510.9 mm 51.09 cm 20.1142 in 1.6762 ft |
| Height with stand | 383 mm 38.3 cm 15.0787 in 1.2566 ft | 384.9 mm 38.49 cm 15.1535 in 1.2628 ft | 337 mm 33.7 cm 13.2677 in 1.1056 ft | 382.1 mm 38.21 cm 15.0433 in 1.2536 ft |
| Depth with stand | 139 mm 13.9 cm 5.4724 in 0.456 ft | 239.55 mm 23.955 cm 9.4311 in 0.7859 ft | 213 mm 21.3 cm 8.3858 in 0.6988 ft | 128.2 mm 12.82 cm 5.0472 in 0.4206 ft |
| Weight with stand | 6 kg 13.23 lbs | 7.1 kg 15.65 lbs | 5.5 kg 12.13 lbs | 2.1 kg 4.63 lbs |
| Box width | - | - | - | 713 mm 71.3 cm 28.0709 in 2.3392 ft |
| Box height | - | - | - | 576 mm 57.6 cm 22.6772 in 1.8898 ft |
| Box depth | - | - | - | 182 mm 18.2 cm 7.1654 in 0.5971 ft |
| Box weight | - | - | - | 8.8 kg 19.4 lbs |
| Colors | Black | Black | Black | Gray |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | No | Yes | Yes | No |
| VESA interface | 100 x 100 mm | 100 x 100 mm | 100 x 100 mm | - |
| Removable stand | Yes | Yes | Yes | Yes |
| Height adjustment | Yes | Yes | Yes | No |
| Height adjustment range | 130 mm 13 cm 5.1181 in 0.4265 ft | 140 mm 14 cm 5.5118 in 0.4593 ft | 150 mm 15 cm 5.9055 in 0.4921 ft | - |
| Landscape/portrait pivot | Yes | Yes | Yes | No |
| Left pivot | 0 ° | 0 ° | 0 ° | - |
| Right pivot | 90 ° | 90 ° | 90 ° | - |
| Left/right swivel | No | Yes | Yes | No |
| Left swivel | - | 45 ° | 60 ° | - |
| Right swivel | - | 45 ° | 60 ° | - |
| Forward/backward tilt | Yes | Yes | Yes | Yes |
| Forward tilt | 5 ° | 5 ° | 5 ° | 2 ° |
| Backward tilt | 23 ° | 20 ° | 35 ° | 20 ° |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | - | 2 x 1 W | 2 x 2 W | - |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No | No | No | No |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 1 x HDMI 2.0 (MHL) 1 x DisplayPort 1.2 1 x DVI-D Dual Link 1 x D-sub | 1 x USB 3.0 (upstream) 2 x USB 3.0 (downstream) 1 x HDMI 1.4 1 x HDMI 2.0 1 x DisplayPort 1.2 1 x DVI-D Dual Link 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out | 1 x HDMI 1.4 (MHL) 1 x DisplayPort 1.2 1 x DVI-D Dual Link 1 x 3.5 mm Audio Out | 2 x USB 3.0 (Type-C) 1 x HDMI 2.0 (Micro) 1 x DisplayPort 1.2 (through Type-C) |
| High-bandwidth Digital Content Protection (HDCP) | - | High-bandwidth Digital Content Protection (HDCP) | High-bandwidth Digital Content Protection (HDCP) |
Features
Some additional functional features of the model.
| Features | Flicker-free technology | AMA (Advanced Motion Accelerator) Animation mode CAD/CAM mode Display Pilot Eco Modes Flicker-free technology Light sensor Low Blue Light | - | Gamma adjustment Picture-by-Picture Picture-in-Picture SPLENDID Video Intelligence Technology |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | CE EAC ENERGY STAR 6.0 TCO Certified Displays 6.0 | ENERGY STAR 6.0 TCO 6.0 | CE ENERGY STAR 6.0 ISO9241-307 TÜV/GS TÜV/Ergonomics | BSMI C-Tick CB CCC CE CU ENERGY STAR ErP FCC J-MOSS RoHS UL/cUL VCCI WEEE WHQL (Windows 10; Windows 8.1; Windows 7) |
Operating and storage conditions
There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.
| Operating temperature | 0 °C - 40 °C 32 °F - 104 °F | - | - | 0 °C - 50 °C 32 °F - 122 °F |
| Operating humidity | 10 % - 85 % | - | - | - |
| Operating altitude | 3657.6 m 12000 ft | - | - | - |
| Storage temperature | -25 °C - 55 °C -13 °F - 131 °F | - | - | 20 °C - 60 °C 68 °F - 140 °F |
| Storage humidity | 5 % - 93 % | - | - | - |
| Storage altitude | 12192 m 40000 ft | - | - | - |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | D-sub cable DisplayPort cable HDMI cable | Audio cable DisplayPort cable DVI-D cable USB 3.0 upstream cable | - | Micro HDMI to HDMI cable USB Type-C cable |
Additional features
Information about other features.
| Additional features | - | Anti-theft stand lock slot - Kensington | - | - |
| AOC U2477PWQ | BenQ BL2420U | Acer CB241HYK | Asus PQ22UC |